Hsing-Chi Yeh

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Energy-saving and gas-efficient pneumatic barrier gate device
- Patent number 12,152,353
- Issue date Nov 26, 2024
- Ching-Hsiu Yeh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Energy and air saving pneumatic barrier device
- Patent number 12,146,278
- Issue date Nov 19, 2024
- Ching-Hsiu Yeh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Hat with flexible panels
- Patent number 11,259,585
- Issue date Mar 1, 2022
- Ching-Hsiu Yeh
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
ENERGY AND AIR SAVING PNEUMATIC BARRIER DEVICE
- Publication number 20240018731
- Publication date Jan 18, 2024
- Ching-Hsiu Yeh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
ENERGY-SAVING AND GAS-EFFICIENT PNEUMATIC BARRIER GATE DEVICE
- Publication number 20240018732
- Publication date Jan 18, 2024
- Ching-Hsiu Yeh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
HAT WITH FLEXIBLE PANELS
- Publication number 20210298405
- Publication date Sep 30, 2021
- Ching-Hsiu Yeh
- A42 - HEADWEAR